chip log

noun Nautical.

a log for measuring the speed of a vessel.
Also called hand log.

Origin of chip log

First recorded in 1825–35

Words nearby chip log

chip basket, chip carving, chip graft, chip heater, chip in, chip log, chip off the old block, chip on one's shoulder, chip pan, chip shot, chip syringe

British Dictionary definitions for chip log

chip log

noun

nautical a log for determining a vessel's speed, consisting of a wooden chip tossed overboard at the end of a line that is marked off in lengths of 47 feet 3 inches; the speed is calculated by counting the number of such intervals that pass overboard in a 28-second interval